And why does he not consider why the wind finds it easier to blow the ice out of the area? This suggests to me that as the ice melts further, there will be more sudden losses. It most likely won’t be a nice even reduction in sea ice extent (or volume) over time.

[But for Anthony Arctic winds didn’t exist until a few years ago, so they’re only a factor over the last few years and hence disprove global warming. :-) – Ben]